First, let's briefly explain switching-type AC/DC conversion. Please refer to the basic circuit on the right and the waveform below.
Here, taking Japan as an example, the input voltage is set to 100...
Dear readers, has anyone made a TDS water quality test pen? Can you share your experience?
I currently use a 51 microcontroller to make a TDS water quality test pen. The probe end is connected to a re...
[E-book Introduction]"ADI Hybrid Electric Vehicle (HEV)/Electric Vehicle (EV) Lithium Battery Management Solution"Due to the excellent electrical energy and power characteristics of lithium batteries ...
The new week's evaluation information has been delivered, come and have a look~Evaluation activities during the application period:
1. A multi-field crossover player, GigaDevice GD32450I-EVAL free eva...
I have a ds1302 clock module and some digital tubes, so I tried to make a clock. Of course, it is handmade, so it is not as good-looking as the ones bought on Taobao. Of course, the cost of making it ...
RVB2601 comes with a monochrome OLED screen, which is sufficient for small application development. However, based on the hardware conditions of 2601 itself, the pre-installed monochrome screen cannot...
At present, there are three main methods for LED to achieve white light: 1. Synthesize white light through the LED red, green and blue three-primary color multi-chip set and light emission. A...[Details]
1. Serial communication 2. Four common serial communication standards 3. Introduction to 74LS164 chip 74LS164: Serial-to-parallel chip, internally composed of an 8-bit shift register and 8 D fl...[Details]
With the maturity of LED technology, IoT LED integration has become the main direction of future development of intelligent lighting. IoT and LED are two strategic emerging industries. If they are co...[Details]
Multimeter Principle The basic principle of a multimeter is to use a sensitive magnetoelectric DC ammeter (microammeter) as the meter head. When a small current passes through the meter head, the...[Details]
ROG gaming phone officially announced today that the new ROG gaming phone will be launched on December 4, and judging from the promotional poster, it will also be jointly branded with "Demon S...[Details]
When the continuous flow fluid in the differential pressure orifice flowmeter passes through the orifice, the cross section of the fluid shrinks sharply, the resistance is the largest at the pipe...[Details]
As an important member of the LED family, LED soft light strips are increasingly used in urban night beautification, building lighting and vehicle lighting. With the popularity of LED soft light st...[Details]
HDB-E Handheld Transformer Ratio Group Tester Three-phase Power Transformer Test Method After selecting the “Three-Phase Test” item on the “Main Menu” screen, press the “Confirm” key to enter the “T...[Details]
I'm learning STM8L151 recently and encountered some problems when programming. I'd like to share them with you. After the code is finally finished, make reports an error: Error : no definition fo...[Details]
A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain law of change. A potentiometer is usually composed of a resistor body an...[Details]
1. Enter SLEEP Execute a "SLEEP" instruction to enter low power mode. When entering SLEEP, WDT is cleared and then restarts counting. The PD bit in the status register F3K is set to "0", the TO b...[Details]
//***************************************************************************** //MSP430-Generation of random numbers // Author: Brother B // Email: cbing2000@163.com // May 2008 //...[Details]
Use assembly language to write a program and design a circular colored light control system controlled by 8051 single-chip microcomputer.
Requirements:
1. It can output 4 flower patterns ...[Details]
Today's embedded microcontroller (MCU)-based applications are increasingly requiring more functionality, such as motor control must be more energy efficient, and previously independent applications...[Details]
PT100 temperature sensor is a commonly used temperature measurement device with the characteristics of high precision, high stability and high reliability. This article will introduce the working p...[Details]